James Van Der Beek took to Twitter Wednesday evening to relate his personal experiences with sexual harassment and express support of the women who’ve come forward to expose sexual misconduct by Harvey Weinstein.

“I’ve had my a– grabbed by older, powerful men,” the “What Would Diplo Do?” actor wrote. “I’ve had them corner me in inappropriate sexual conversations when I was much younger…”

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Van Der Beek continued, showing support for women who delayed their allegations. “I understand the unwarranted shame, powerlessness & inability to blow the whistle,” he said. “There’s a power dynamic that’s impossible to overcome.”

Earlier in the evening, he commented on Weinstein specifically, calling his behavior “criminal” and “unacceptable,” and adding that he applauds everybody speaking out.